Re: String Ranges in Unicode Sets

2015-09-08 Thread Mark Davis ☕️
Mark *— Il meglio è l’inimico del bene —* On Mon, Sep 7, 2015 at 9:46 PM, Richard Wordingham < richard.wording...@ntlworld.com> wrote: > On Mon, 7 Sep 2015 16:54:16 +0200 > Mark Davis ☕️ wrote: > > > On Mon, Sep 7, 2015 at 8:23 AM, Richard

Re: String Ranges in Unicode Sets

2015-09-08 Thread Asmus Freytag (t)
Mark, it is implied the String Range formulation is a compact form. Can you prove that it doesn't create any set of strings that can't be specified in other ways (other than full enumeration of the strings?). What about set operations on sets with

Re: String Ranges in Unicode Sets

2015-09-08 Thread Mark Davis ☕️
On Tue, Sep 8, 2015 at 9:53 AM, Asmus Freytag (t) wrote: > it is implied the String Range formulation is a compact form. > > Can you prove that it doesn't create any set of strings that can't be > specified in other ways (other than full enumeration of the strings?). >

Re: String Ranges in Unicode Sets

2015-09-08 Thread Richard Wordingham
On Tue, 08 Sep 2015 08:19:03 -0700 "Doug Ewell" wrote: > Mark Davis ️ wrote: > > >> TUS 8.0 Chapter 3 C6: "A process shall not assume that the > >> interpretations of two canonical-equivalent character sequences are > >> distinct." > > > > ​A compiler will take source code

Re: String Ranges in Unicode Sets

2015-09-08 Thread Richard Wordingham
On Tue, 8 Sep 2015 13:46:48 +0200 Mark Davis ☕️ wrote: > On Tue, Sep 8, 2015 at 9:53 AM, Asmus Freytag (t) > wrote: > > What about set operations on sets with string ranges? > ​Again, the range notation is just a formatting issue. Anything you >

Re: String Ranges in Unicode Sets

2015-09-08 Thread Doug Ewell
Mark Davis ️ wrote: >> TUS 8.0 Chapter 3 C6: "A process shall not assume that the >> interpretations of two canonical-equivalent character sequences are >> distinct." > > ​A compiler will take source code containing String x="á"; and compile > it to a certain binary. If that same source code is

String Ranges in Unicode Sets

2015-09-07 Thread Richard Wordingham
ket > Have the implications of adding string ranges to Unicode sets been considered? I'm mentioning them on the list because their impact goes beyond locales, and I haven't worked out their implications myself. By my reading, adding string ranges will initially make regular expression engines tha

Re: String Ranges in Unicode Sets

2015-09-07 Thread Mark Davis ☕️
eptember 16.) > > > > The proposed update will be at > > http://unicode.org/reports/tr35/proposed.html > > > > To report bugs in the specification, please use > > http://unicode.org/cldr/trac/newticket > > > > Have the implications of adding

Re: String Ranges in Unicode Sets

2015-09-07 Thread Asmus Freytag (t)
http://unicode.org/cldr/trac/newticket Have the implications of adding string ranges to Unicode sets been considered? I'm mentioning them on the list because their impact goes beyond locales, and I haven't worked out their implications myself. By my reading, adding string

Re: String Ranges in Unicode Sets

2015-09-07 Thread Richard Wordingham
On Mon, 7 Sep 2015 16:54:16 +0200 Mark Davis ☕️ wrote: > On Mon, Sep 7, 2015 at 8:23 AM, Richard Wordingham < > richard.wording...@ntlworld.com> wrote: >> By my reading, adding string ranges will initially make regular >> expression engines that don't use ICU non-compliant